Oil drain pan



FIG. 1 is a front elevational view of an oil drain pan showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an elevational view looking from the left of FIG. 1;

FIG. 5 is a perspective view with a jug of oil and a wrapping band being shown in broken lines for the purpose of showing environmental use only. 

The ornamental design for an oil drain pan, as shown and described. 